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Finding the Fourth Proportional to 227,188.67, 340,844.36 and 69,412.82

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Solution

The fourth proportional to 227,188.67, 340,844.36 and 69,412.82 is: 104,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,188.67 : 340,844.36 = 69,412.82 : x
  2. Step 2: Convert to fraction form
    227,188.67/340,844.36 = 69,412.82/x
  3. Step 3: Cross multiply
    227,188.67x = 340,844.36 × 69,412.82
  4. Step 4: Simplify right side
    227,188.67x = 23,658,966,157.41
  5. Step 5: Solve for x
    x = 23,658,966,157.41/227,188.67
  6. Step 6: Final answer
    x = 104,137.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.